Progressive decompression stretch hose is the one which has the function of promoting venous blood backflow heart products, stretch hose up down the leg in the flesh to establish the highest support pressure is gradually diminishing. The calf to maximum stress value of 70% to 90%, down to 25% of the maximum pressure in ham place to 45% in the formation of the leg from bottom to top pressure gradient of pressure decreasing, against a venous pressure within the blood vessels, promote lower limb venous blood backflow, alleviate symptoms of varicose veins.